EP2790545B1 - Schuhwerk mit obermaterial mit vorfussezugbandelementen - Google Patents

Schuhwerk mit obermaterial mit vorfussezugbandelementen Download PDF

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Publication number
EP2790545B1
EP2790545B1 EP12799397.0A EP12799397A EP2790545B1 EP 2790545 B1 EP2790545 B1 EP 2790545B1 EP 12799397 A EP12799397 A EP 12799397A EP 2790545 B1 EP2790545 B1 EP 2790545B1
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EP
European Patent Office
Prior art keywords
strands
lace
footwear
receiving element
base layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP12799397.0A
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English (en)
French (fr)
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EP2790545A1 (de
Inventor
Frederick J. Dojan
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Nike Innovate CV USA
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Nike Innovate CV USA
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Publication date
Application filed by Nike Innovate CV USA filed Critical Nike Innovate CV USA
Priority to EP17001220.7A priority Critical patent/EP3262965B1/de
Publication of EP2790545A1 publication Critical patent/EP2790545A1/de
Application granted granted Critical
Publication of EP2790545B1 publication Critical patent/EP2790545B1/de
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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00—Footwear characterised by the shape or the use
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
    • A43B23/02—Uppers; Boot legs
    • A43B23/0205—Uppers; Boot legs characterised by the material
    • A43B23/0225—Composite materials, e.g. material with a matrix
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
    • A43B23/02—Uppers; Boot legs
    • A43B23/0205—Uppers; Boot legs characterised by the material
    • A43B23/0235—Different layers of different material
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
    • A43B23/02—Uppers; Boot legs
    • A43B23/0245—Uppers; Boot legs characterised by the constructive form
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
    • A43B23/02—Uppers; Boot legs
    • A43B23/0245—Uppers; Boot legs characterised by the constructive form
    • A43B23/025—Uppers; Boot legs characterised by the constructive form assembled by stitching
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
    • A43B23/02—Uppers; Boot legs
    • A43B23/0245—Uppers; Boot legs characterised by the constructive form
    • A43B23/0265—Uppers; Boot legs characterised by the constructive form having different properties in different directions
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
    • A43B23/02—Uppers; Boot legs
    • A43B23/0245—Uppers; Boot legs characterised by the constructive form
    • A43B23/0265—Uppers; Boot legs characterised by the constructive form having different properties in different directions
    • A43B23/0275—Uppers; Boot legs characterised by the constructive form having different properties in different directions with a part of the upper particularly rigid, e.g. resisting articulation or torsion
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C1/00—Shoe lacing fastenings
    • A43C1/04—Shoe lacing fastenings with rings or loops
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C3/00—Hooks for laces; Guards for hooks
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C5/00—Eyelets
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C9/00—Laces; Laces in general for garments made of textiles, leather, or plastics

Definitions

  • Articles of footwear generally include two primary elements: an upper and a sole structure.
  • the upper is often formed from a plurality of material elements (e.g., textiles, polymer sheet layers, foam layers, leather, synthetic leather) that are stitched or adhesively bonded together to form a void on the interior of the footwear for comfortably and securely receiving a foot. More particularly, the upper forms a structure that extends over instep and toe areas of the foot, along medial and lateral sides of the foot, and around a heel area of the foot.
  • the upper may also incorporate a lacing system to adjust fit of the footwear, as well as permitting entry and removal of the foot from the void within the upper.
  • the upper may include a tongue that extends under the lacing system to enhance adjustability and comfort of the footwear, and the upper may incorporate a heel counter.
  • the various material elements forming the upper impart different properties to different areas of the upper.
  • textile elements may provide breathability and may absorb moisture from the foot, foam layers may compress to impart comfort, and leather may impart durability and wear-resistance.
  • the overall mass of the footwear may increase proportionally.
  • the time and expense associated with transporting, stocking, cutting, and joining the material elements may also increase.
  • waste material from cutting and stitching processes may accumulate to a greater degree as the number of material elements incorporated into an upper increases.
  • products with a greater number of material elements may be more difficult to recycle than products formed from fewer material elements. By decreasing the number of material elements, therefore, the mass of the footwear and waste may be decreased, while increasing manufacturing efficiency and recyclability.
  • the sole structure is secured to a lower portion of the upper so as to be positioned between the foot and the ground.
  • the sole structure includes a midsole and an outsole.
  • the midsole may be formed from a polymer foam material that attenuates ground reaction forces (i.e., provides cushioning) during walking, running, and other ambulatory activities.
  • the midsole may also include fluid-filled chambers, plates, moderators, or other elements that further attenuate forces, enhance stability, or influence the motions of the foot, for example.
  • the outsole forms a ground-contacting element of the footwear and is usually fashioned from a durable and wear-resistant rubber material that includes texturing to impart traction.
  • the sole structure may also include a sockliner positioned within the upper and proximal a lower surface of the foot to enhance footwear comfort.
  • Document EP 2078468 A1 discloses a sports shoe having a sole absorbing a shock of landing, an upper covering an instep of a foot, and a fastening member fitting the upper to the instep of the foot, wherein the upper comprises reinforcement portions.
  • Document US 2010/0037483 A1 discloses an article of footwear having a sole structure and an upper that includes a foundation element and a tensile element.
  • the tensile element includes a base layer and a plurality of strands, with the base layer being joined to an exterior surface of the foundation element.
  • the upper includes a throat area with a plurality of lateral lace-receiving elements extending along a lateral side of the upper, a plurality of medial lace-receiving elements extending along a medial side of the upper, and a forward lace-receiving element located between the lateral side and the medial side.
  • a lace extends through the lateral lace-receiving elements, the medial lace-receiving elements, and the forward lace-receiving element.
  • the upper also includes a tensile strand element located within a forefoot region of the footwear.
  • the tensile strand element includes a plurality of strands that extend forward from an area proximal to the forward lace-receiving element and toward a forward edge of the footwear.
  • the tensile strand element includes at least one material layer and the strands lay adjacent to a surface of the material layer, the material layer forming a loop that defines the forward lace-receiving element and the strands extending around the loop.
  • the upper may include a first layer and a second layer that lay adjacent to each other, with the first layer and the second layer defining a tab area where the first layer and the second layer overlap to define the loop structure.
  • a plurality of strands are located between the first layer and the second layer and substantially parallel to surfaces of the first layer and the second layer for a distance of at least five centimeters, and portions of the strands extend around the loop structure.
  • the strands may lay substantially parallel to surfaces of the first layer and the second layer for a distance of at least five centimeters.
  • the following discussion and accompanying figures disclose an article of footwear having an upper that includes tensile strand elements.
  • the article of footwear is disclosed as having a general configuration suitable for walking or running.
  • Concepts associated with the footwear, including the upper may also be applied to a variety of other athletic footwear types, including baseball shoes, basketball shoes, cross-training shoes, cycling shoes, football shoes, tennis shoes, soccer shoes, and hiking boots, for example.
  • the concepts may also be applied to footwear types that are generally considered to be non-athletic, including dress shoes, loafers, sandals, and work boots.
  • the concepts disclosed herein apply, therefore, to a wide variety of footwear types.
  • FIG. 1-4 An article of footwear 10 is depicted in Figures 1-4 as including a sole structure 20 and an upper 30.
  • footwear 10 may be divided into three general regions: a forefoot region 11, a midfoot region 12, and a heel region 13.
  • Forefoot region 11 generally includes portions of footwear 10 corresponding with the toes and the joints connecting the metatarsals with the phalanges.
  • Midfoot region 12 generally includes portions of footwear 10 corresponding with an arch area of the foot.
  • Heel region 13 generally corresponds with rear portions of the foot, including the calcaneus bone.
  • Footwear 10 also includes a lateral side 14 and a medial side 15, which extend through each of regions 11-13 and correspond with opposite sides of footwear 10. More particularly, lateral side 14 corresponds with an outside area of the foot (i.e.
  • regions 11-13 and sides 14-15 are not intended to demarcate precise areas of footwear 10. Rather, regions 11-13 and sides 14-15 are intended to represent general areas of footwear 10 to aid in the following discussion. In addition to footwear 10, regions 11-13 and sides 14-15 may also be applied to sole structure 20, upper 30, and individual elements thereof.
  • Sole structure 20 is secured to upper 30 and extends between the foot and the ground when footwear 10 is worn.
  • the primary elements of sole structure 20 are a midsole 21, an outsole 22, and an sockliner 23.
  • Midsole 21 is secured to a lower surface of upper 30 and may be formed from a compressible polymer foam element (e.g., a polyurethane or ethylvinylacetate foam) that attenuates ground reaction forces (i.e., provides cushioning) when compressed between the foot and the ground during walking, running, or other ambulatory activities.
  • a compressible polymer foam element e.g., a polyurethane or ethylvinylacetate foam
  • midsole 21 may incorporate fluid-filled chambers, plates, moderators, or other elements that further attenuate forces, enhance stability, or influence the motions of the foot, or midsole 21 may be primarily formed from a fluid-filled chamber.
  • Outsole 22 is secured to a lower surface of midsole 21 and may be formed from a wear-resistant rubber material that is textured to impart traction.
  • Sockliner 23 is located within upper 30 and is positioned to extend under a lower surface of the foot.
  • Upper 30 defines a void within footwear 10 for receiving and securing a foot relative to sole structure 20.
  • the void is shaped to accommodate the foot and extends along the lateral side of the foot, along the medial side of the foot, over the foot, around the heel, and under the foot.
  • Access to the void is provided by an ankle opening 31 located in at least heel region 13.
  • a throat area 32 extends forward (i.e., toward forefoot region 11) from ankle opening 31 and includes various lateral lace-receiving elements 33, medial lace-receiving elements 34, a forward lace-receiving element 35, a lace 36, and a tongue 37.
  • throat area 32 is depicted as extending along and being centered on longitudinal axis 16, throat area 32 may be offset from longitudinal axis 16.
  • Lace-receiving elements 33-35 form structures that receive lace 36.
  • Lateral lace-receiving elements 33 extend along throat area 32 and are located on lateral side 14.
  • medial lace-receiving elements 34 extend along throat area 32 and are located on medial side 15.
  • lace receiving elements 33 and 34 are located on opposite sides of longitudinal axis 16.
  • Forward lace-receiving element 35 is located in a forward portion of throat area 32 and may be centrally-positioned so as to extend between sides 14 and 15. In some configurations, forward lace-receiving element 35 is the forward-most lace-receiving element in footwear 10 and is located closer to a forward edge 38 than other lace-receiving elements 33 and 34.
  • Lace-receiving elements 33 and 34 are depicted as being apertures that extend through upper 30, and forward lace-receiving element 35 is depicted as having a tubular structure.
  • each of lace-receiving elements 33-35 may be an aperture, tubular structure, D-ring, hook, or other structure that is suitable for receiving lace 36.
  • Lace 36 extends through the various lace-receiving elements 33-35. More particularly, lace 36 extends alternately and in a generally zigzagging (e.g., W-shaped) pattern through lateral lace-receiving elements 33 and medial lace-receiving apertures 34. Additionally, a portion of lace 36 located in the forward portion of throat area 32 extends through forward lace-receiving element 35. In general, lace 36 slides through the various lace-receiving elements 33-35 and permits a wearer of footwear 10 to modify the dimensions of upper 30, thereby accommodating the proportions of the foot. More particularly, lace 36 permits the wearer to tighten upper 30 around the foot, and lace 36 permits the wearer to loosen upper 30 to facilitate entry and removal of the foot from the void (i.e., through ankle opening 31).
  • a generally zigzagging e.g., W-shaped
  • Tongue 37 enhances the comfort of footwear 10 and assists with modifying the dimensions of upper 30.
  • tongue 37 extends longitudinally through throat area 32 and is positioned below lace-receiving elements 33-35 and lace 36. As such, tongue 37 forms a portion of the void within upper 30 and contacts the foot. In some configurations, tongue 37 is secured to upper 30 in the forward portion of throat area 32.
  • tongue 37 may have a variety of configurations, tongue 37 may be formed from a foam material that is surrounded by an exterior textile sheath. In some configurations tongue 37 may include a loop or other structure that receives lace 36 and assists with maintaining the position of tongue 37.
  • upper 30 may be formed from one or more of a plurality of material elements (e.g., textiles, polymer sheets, foam layers, leather, synthetic leather) that are stitched or bonded together to form the void within footwear 10.
  • Upper 30 may also incorporate a heel counter that limits heel movement in heel region 13 or a wear-resistant toe guard located in forefoot region 11. Indicia in the form of trademarks, for example, may also be secured or printed on upper 30.
  • forefoot region 11 includes a plurality of strands 41. Referring to Figures 1-3 , strands 41 extend forward from forward lace-receiving element 35.
  • strands 41 extend from forward lace-receiving element 35 to forward edge 38, which is proximal to an area where sole structure 20 and upper 30 are secured to each other in forefoot region 11. Moreover, strands 41 extend onto and at least partially around the tubular structure forming forward lace-receiving element 35.
  • the various strands 41 are located between a base layer 42 and a cover layer 43 (i.e., first and second material layers). Whereas base layer 42 forms a surface of the void within upper 30, cover layer 43 forms a portion of an exterior or exposed surface of upper 30.
  • the combination of strands 41, base layer 42, and cover layer 43 may, therefore, form substantially all of the thickness of upper 30 in some areas.
  • additional layers or material elements may be utilized in combination with layers 42 and 43.
  • a foot within the void in footwear 10 may tend to stretch upper 30.
  • utilizing lace 36 to modify the dimensions of upper 30 may tend to stretch upper 30. That is, many of the material elements forming upper 30 may stretch when placed in tension by movements of the foot or through lacing upper 30.
  • strands 41 may also stretch, strands 41 generally stretch to a lesser degree than the other material elements forming upper 30 (e.g., base layer 42 and cover layer 43).
  • Each of strands 41 may be located, therefore, to form structural components in upper 30 that resist stretching in specific directions or reinforce locations where forces are concentrated.
  • strands 41 are generally located in forefoot region 11 to resist stretch in forefoot region 11 that may arise from walking, running, or other ambulatory activities. Strands 41 also extend around forward lace-receiving element 35 and forward from forward lace-receiving element 35 to resist stretch due to tension in lace 32. Given that strands 41 also radiate outward from forward lace-receiving element 35, forces from the tension in lace 32 or from movement of the foot may be distributed over a relatively large area of upper 30. In general, therefore, the locations and orientations of strands 41 form structural components in upper 30 that resist stretch, particularly in forefoot region 11 and the portion of upper 30 located forward of throat area 32.
  • a tensile strand element 40 that may be incorporated into upper 30 is depicted in Figure 5 .
  • element 40 When incorporated into footwear 10, element 40 has a configuration that (a) extends from forefoot region 11 to heel region 13 on each of sides 14 and 15, (b) defines portions of ankle opening 31, (c) defines portions of throat area 32, including lace-receiving elements 33-35, (d) forms both an interior surface (i.e., the surface that contacts the foot or a sock worn by the foot when footwear 10 is worn) and an exterior surface (i.e., an outer, exposed surface of footwear 10), and (e) includes the various strands 41.
  • element 40 extends through a majority of upper 30, element 40 may have a configuration that only forms particular area of upper 30.
  • element 40 may be limited to forefoot region 11 or may extend through only one of lateral side 14 and medial side 15. In these configurations, additional elements may be joined to element 40 to form further areas of upper 30.
  • Element 40 includes base layer 42 and cover layer 43, with strands 41 being positioned between layers 42 and 43. Strands 41 lay adjacent to a surface of base layer 42 and substantially parallel to the surface of base layer 42. In general, strands 41 also lay adjacent to a surface of cover layer 43 and substantially parallel to the surface of cover layer 43. As discussed above, strands 41 form structural components in upper 30 that resist stretch. By being substantially parallel to the surfaces of base layer 42 and cover layer 43, strands 41 resist stretch in directions that correspond with the planes on which the surfaces of layers 42 and 43 lay.
  • strands 41 may extend through base layer 42 (e.g., as a result of stitching) in some locations, areas where strands 41 extend through base layer 42 may permit stretch, thereby reducing the overall ability of strands 41 to limit stretch.
  • each of strands 41 generally lay adjacent to a surface of base layer 42 and substantially parallel to the surface of base layer 42 for distances of at least five centimeters or more.
  • Base layer 42 and cover layer 43 are depicted as being coextensive with each other. That is, layers 42 and 43 may have the same shape and size, such that edges of base layer 42 correspond and are even with edges of cover layer 43.
  • (a) strands 41 are located upon base layer 42, (b) cover layer 43 is bonded to base layer 42 and strands 41, and (c) element 40 is cut from this combination to have the desired shape and size, thereby forming common edges for base layer 42 and cover layer 43.
  • ends of strands 41 may also extend to edges of layers 42 and 43. Accordingly, edges of layers 42 and 43, as well as ends of strands 41, may all be positioned at edges of element 40.
  • base layer 42 and cover layer 43 may be formed from any generally two-dimensional material.
  • the term "two-dimensional material” or variants thereof is intended to encompass generally flat materials exhibiting a length and a width that are substantially greater than a thickness.
  • suitable materials for base layer 42 and cover layer 43 include various textiles, polymer sheets, or combinations of textiles and polymer sheets, for example. Textiles are generally manufactured from fibers, filaments, or yarns that are, for example, either (a) produced directly from webs of fibers by bonding, fusing, or interlocking to construct non-woven fabrics and felts or (b) formed through a mechanical manipulation of yarn to produce a woven or knitted fabric.
  • the textiles may incorporate fibers that are arranged to impart one-directional stretch or multi-directional stretch, and the textiles may include coatings that form a breathable and water-resistant barrier, for example.
  • the polymer sheets may be extruded, rolled, or otherwise formed from a polymer material to exhibit a generally flat aspect.
  • Two-dimensional materials may also encompass laminated or otherwise layered materials that include two or more layers of textiles, polymer sheets, or combinations of textiles and polymer sheets.
  • other two-dimensional materials may be utilized for base layer 42 and cover layer 43.
  • two-dimensional materials may have smooth or generally untextured surfaces, some two-dimensional materials will exhibit textures or other surface characteristics, such as dimpling, protrusions, ribs, or various patterns, for example.
  • two-dimensional materials remain generally flat and exhibit a length and a width that are substantially greater than a thickness.
  • mesh materials or perforated materials may be utilized for either or both of layers 42 and 43 to impart greater breathability or air permeability.
  • Strands 41 may be formed from any generally one-dimensional material.
  • the term "one-dimensional material” or variants thereof is intended to encompass generally elongate materials exhibiting a length that is substantially greater than a width and a thickness.
  • suitable materials for strands 41 include various filaments, fibers, yarns, threads, cables, or ropes that are formed from rayon, nylon, polyester, polyacrylic, silk, cotton, carbon, glass, aramids (e.g., para-aramid fibers and meta-aramid fibers), ultra high molecular weight polyethylene, liquid crystal polymer, copper, aluminum, and steel.
  • filaments have an indefinite length and may be utilized individually as strands 41
  • fibers have a relatively short length and generally go through spinning or twisting processes to produce a strand of suitable length.
  • An individual filament utilized in strands 41 may be formed form a single material (i.e., a monocomponent filament) or from multiple materials (i.e., a bicomponent filament).
  • different filaments may be formed from different materials.
  • yarns utilized as strands 41 may include filaments that are each formed from a common material, may include filaments that are each formed from two or more different materials, or may include filaments that are each formed from two or more different materials. Similar concepts also apply to threads, cables, or ropes.
  • the thickness of strands 41 may also vary significantly to range from 0.03 millimeters to more than 5 millimeters, for example.
  • one-dimensional materials will often have a cross-section where width and thickness are substantially equal (e.g., a round or square cross-section)
  • some one-dimensional materials may have a width that is greater than a thickness (e.g., a rectangular, oval, or otherwise elongate cross-section).
  • a material may be considered one-dimensional if a length of the material is substantially greater than a width and a thickness of the material.
  • base layer 42 may be formed from a textile material and cover layer 43 may be formed from a polymer sheet that is bonded to the textile material, or each of layers 42 and 43 may be formed from polymer sheets that are bonded to each other.
  • cover layer 43 may incorporate thermoplastic polymer materials that bond with the textile material of base layer 42. That is, by heating cover layer 43, the thermoplastic polymer material of cover layer 43 may bond with the textile material of base layer 42.
  • a thermoplastic polymer material may infiltrate or be bonded with the textile material of base layer 42 in order to bond with cover layer 43. That is, base layer 42 may be a combination of a textile material and a thermoplastic polymer material.
  • thermoplastic polymer material may rigidify or otherwise stabilize the textile material of base layer 42 during the manufacturing process of element 40, including portions of the manufacturing process involving lying strands 41 upon base layer 42.
  • This general concept is disclosed in U.S. Patent Application Number 2010/0018075 .
  • element 40 generally includes two layers 42 and 43 with strands 41 located between. Although strands 41 may pass through one of layers 42 and 43, strands 41 generally lay adjacent to surfaces of layers 42 and 43 and substantially parallel to the surfaces layers 42 and 43 for at least five centimeters. Whereas a variety of one dimensional materials may be used for strands 41, one or more two dimensional materials may be used for layers 42 and 43.
  • FIG. 9 A portion of element 40 that includes forward lace-receiving element 35 is depicted in Figures 9 and 10 . As with other areas of element 40, this portion includes strands 41 and layers 42 and 43. Forward lace-receiving element 35 is formed as a loop of material that includes strands 41 and layers 42 and 43. Referring to Figure 11 , element 40 is depicted in a configuration prior to the formation of forward lace-receiving element 35 and includes a tab area 44. In order to form forward lace-receiving element 35, tab area 44 may be overlapped or folded upon itself (i.e., formed into a loop structure) and secured.
  • stitching 45 extends through layers 42 and 43 to secure tab area 44 and form forward lace-receiving element 35.
  • stitching 45 heat bonding or adhesives may be utilized to secure tab area 44 and form forward lace-receiving element 35.
  • Strands 41 extend onto tab area 44 and around forward lace-receiving element 35. As discussed above, strands 41 also extend around forward lace-receiving element 35 and forward from forward lace-receiving element 35 to resist stretch due to tension in lace 32. Given that strands 41 also radiate outward from forward lace-receiving element 35, forces from the tension in lace 32 or from movement of the foot may be distributed over a relatively large area of upper 30. By wrapping or extending strands 41 around forward lace-receiving element 35, forces from lace 32 are transferred to portions of strands 41 that extend forward from forward lace-receiving element 35. Accordingly, the configuration of forward lace-receiving element 35 interfaces with lace 36 to distribute forces over a relatively large area of upper 30.
  • a conventional upper may be formed from multiple material layers that each impart different properties to various areas of the upper.
  • an upper may experience significant tensile forces, and one or more layers of material are positioned in areas of the upper to resist the tensile forces. That is, individual layers may be incorporated into specific portions of the upper to resist tensile forces that arise during use of the footwear.
  • a woven textile may be incorporated into an upper to impart stretch resistance in the longitudinal direction.
  • a woven textile is formed from yarns that interweave at right angles to each other.
  • the woven textile is incorporated into the upper for purposes of longitudinal stretch-resistance, then only the yarns oriented in the longitudinal direction will contribute to longitudinal stretch-resistance, and the yarns oriented orthogonal to the longitudinal direction will not generally contribute to longitudinal stretch-resistance. Approximately one-half of the yarns in the woven textile are, therefore, superfluous to longitudinal stretch-resistance.
  • the degree of stretch-resistance required in different areas of the upper may vary. Whereas some areas of the upper may require a relatively high degree of stretch-resistance, other areas of the upper may require a relatively low degree of stretch-resistance.
  • the woven textile may be utilized in areas requiring both high and low degrees of stretch-resistance, some of the yarns in the woven textile are superfluous in areas requiring the low degree of stretch-resistance.
  • the superfluous yarns add to the overall mass of the footwear, without adding beneficial properties to the footwear.
  • Similar concepts apply to other materials, such as leather and polymer sheets, that are utilized for one or more of wear-resistance, flexibility, air-permeability, cushioning, and moisture-wicking, for example.
  • materials utilized in the conventional upper formed from multiple layers of material may have superfluous portions that do not significantly contribute to the desired properties of the upper.
  • a layer may have material that imparts (a) a greater number of directions of stretch-resistance or (b) a greater degree of stretch-resistance than is necessary or desired.
  • the superfluous portions of these materials may, therefore, add to the overall mass and cost of the footwear, without contributing significant beneficial properties.
  • upper 30 is constructed to minimize the presence of superfluous material.
  • Base layer 42 and cover layer 43 provide a covering for the foot, but exhibit a relatively low mass.
  • Strands 41 are positioned to provide stretch-resistance in particular directions and locations, and the number of strands 41 is selected to impart the desired degree of stretch-resistance. Accordingly, the orientations, locations, and quantity of strands 41 are selected to provide structural components that are tailored to a specific purpose.
  • strands 41 may be utilized to form structural components in upper 30.
  • strands 41 resist stretch to limit the overall stretch in upper 30.
  • Strands 41 may also be utilized to distribute forces (e.g., forces from lace 32) to different areas of upper 30. Accordingly, the orientations, locations, and quantity of strands 41 are selected to provide structural components that are tailored to a specific purpose.
  • strands 41 in Figures 1 and 2 are intended to provide an example of a suitable configuration for footwear 10.
  • various strands 41 may be absent, or additional strands 41 may be present to provide further structural components in footwear 10.
  • strands 41 cross each other in the area forward of forward lace-receiving element 35.
  • Strands 41 may also exhibit a branching or web-like structure in the area forward of forward lace-receiving element 35, as depicted in Figure 12B .
  • strands 41 may continue to resist stretch due to tension in lace 32 and distribute forces over a relatively large area of upper 30.
  • strands 41 may terminate in an area of forefoot region 11 that is located inward from forward edge 38.
  • strands 41 may generally be linear, a configuration wherein portions of strands 41 are wavy or otherwise non-linear is depicted in Figure 12D .
  • strands 41 may resist stretch in upper 30, but the non-linear areas of strands 41 may allow some stretch in upper 30. As strands 41 straighten due to the stretch, however, strands 41 may then resist stretch in upper 30.
  • strands 41 extend forward of forward lace-receiving element 35, and additional strands 41 extend outward from lace-receiving elements 33 and 34 and toward an area where sole structure 20 and upper 30 are joined. Accordingly, strands 41 may also be located in other areas of footwear 10 to resist stretch or otherwise provide structural components. This concept is generally discussed in U.S. Patent Number 7,574,818 to Meschter .
  • Another configuration of element 40 which may be utilized in a basketball configuration of footwear 10, is depicted in Figure 12F .
  • the running style or preferences of an individual may also determine the orientations, locations, and quantity of strands 41. For example, some individuals may have a relatively high degree of pronation (i.e., an inward roll of the foot), and having a greater number of strands 41 on lateral side 14 may reduce the degree of pronation. Some individuals may also prefer greater longitudinal stretch resistance, and footwear 10 may be modified to include further strands 41 that extend between regions 11-13 on both sides 14 and 15. Some individuals may also prefer that upper 30 fit more snugly, which may require adding more strands 41 throughout upper 30. Accordingly, footwear 10 may be customized to the running style or preferences of an individual through changes in the orientations, locations, and quantity of strands 41.
  • FIGS. 8A and 8B Various aspects relating to strands 41 and layers 42 and 43 in Figures 8A and 8B are intended to provide an example of a suitable configuration for element 40. In other configurations of element 40, additional layers or the positions of strands 41 with respect to layers 42 and 43 may vary.
  • cover layer 43 is absent such that strands 41 are exposed.
  • adhesives or a thermoplastic polymer material that infiltrates base layer 42 may be utilized to secure strands 41 to base layer 42.
  • base layer 42 is substantially planar, whereas cover layer 43 protrudes outward in the areas of strands 41.
  • both of layers 42 and 43 protrude outward due to the presence of strands 41.
  • an additional layer 46 is located adjacent to base layer 42.
  • layer 46 may form a surface of the void within upper 30.
  • an additional set of strands 41 is located on an opposite side of base layer 42, with a 46 extending over the additional set of strands 41. This configuration may arise when an embroidery process is utilized to locate strands 41.
  • Forward lace-receiving element 35 is discussed above as having a loop structure, and strands 41 extend around the loop structure.
  • forward lace-receiving element 35 may have different structures.
  • Figure 14A depicts a configuration wherein two apertures 47 are utilized to provide an element for receiving lace 36.
  • strands 41 are depicted as extending around apertures 47.
  • one or more hooks 48 may be utilized to receive lace 36, as depicted in Figure 14B , and strands 41 extend under hooks 48. Accordingly, a variety of structures may be utilized to receive lace 36.
  • a variety of methods may be utilized to manufacture upper 30 and, particularly, element 40.
  • an embroidery process may be utilized to locate strands 41 relative to base layer 42. Once strands 41 are positioned, cover layer 43 may be bonded to base layer 42 and strands 41, thereby securing strands 41 within element 40 and between layers 42 and 43. This general process is described in detail in U.S. Patent Application Number 2007/02718230 .
  • other stitching processes may be utilized to locate strands 41 relative to base layer 42, such as computer stitching.
  • processes that involve winding strands 41 around pegs on a frame around base layer 42 may be utilized to locate strands 41 over base layer 42. Accordingly, a variety of methods may be utilized to locate strands 41 relative to base layer 42 in the manufacturing process of upper 30.
  • Footwear comfort is generally enhanced when the surfaces of upper 30 forming the void have relatively smooth or otherwise continuous configurations.
  • base layer 42 has a relatively smooth aspect
  • cover layer 43 protrudes outward in the areas of strands 41.
  • Figure 13B depicts a configuration wherein base layer 42 and cover layer 43 protrude outward in the areas of strands 41.
  • the configuration of Figure 4 may impart greater footwear comfort due to the greater smoothness to the surface forming the void within upper 30.
  • a process disclosing a manner of forming a relatively smooth aspect to base layer 42 is described in detail in U.S. Patent Application Number 2010/0251491 .

Claims (4)

  1. Ein Fußbekleidungsartikel (10), der ein Obermaterial (30) aufweist und eine am Obermaterial (30) befestigte Sohlenstruktur (20), wobei das Obermaterial (30) Folgendes umfasst:
    einen Einschnürungsbereich (32), der eine Vielzahl an lateralen Schnürsenkel-empfangenden Elementen (33) aufweist, die sich entlang einer lateralen Seite (14) des Obermaterials (30) erstrecken, eine Vielzahl an mittleren Schnürsenkel-empfangenden Elementen (34), die sich entlang einer mittleren Seite (15) des Obermaterials (30) erstrecken, und ein vorderes Schnürsenkel-empfangendes Element (35), das sich zwischen der lateralen Seite (14) und der mittleren Seite (15) befindet;
    einen Schnürsenkel (36) der durch die lateralen Schnürsenkelempfangende Elemente (33), die mittleren Schnürsenkel-empfangenden Elementen (34) und durch das vordere Schnürsenkelempfangende Element (35) verläuft; und
    ein Zuglitzen-Element (40), das sich in einen Vorfußbereich (11) des Schuhwerks (10) befindet, wobei das Zuglitzen-Element (40) eine Vielzahl an Litzen (41) beinhaltet, die sich von einem Bereich proximal zum vorderen Schnürsenkel-empfangenden Element (35) zu einem vorderen Rand (38) des Schuhwerks (10) erstrecken;
    wobei das Zuglitzen-Element (40) mindestens eine Materialschicht beinhaltet und wobei die Litzen (41) angrenzend an einer Oberfläche der Materialschicht liegen, wobei die Materialschicht eine Schlaufe bildet, die das vordere Schnürsenkelempfangende Element (35) definiert und wobei die Litzen (41) sich um die Schlaufe herum erstrecken.
  2. Der Fußbekleidungsartikel (10) nach Anspruch 1, wobei das Zuglitzen-Element (40) ein Paar Materialschichten (42, 43) beinhaltet, wobei die Litzen (41) sich zwischen den Materialschichten (42, 43) befinden und im Wesentlichen parallel zu Oberflächen der Materialschichten (42, 43) liegen, über eine Distanz von mindestens fünf Zentimetern.
  3. Der Fußbekleidungsartikel (10) nach Anspruch 1, wobei die Litzen (41) ausgehend von dem Bereich proximal zum vorderen Schnürsenkel-empfangenden Element (35) nach außen ausstrahlen.
  4. Der Fußbekleidungsartikel (10) nach Anspruch 1, wobei die Litzen (41) in einem Bereich zwischen dem vorderen Schnürsenkel-empfangenden Element (35) und dem vorderen Rand (38) des Schuhwerks (10) einander kreuzen.
EP12799397.0A 2011-12-15 2012-11-20 Schuhwerk mit obermaterial mit vorfussezugbandelementen Active EP2790545B1 (de)

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EP17001220.7A EP3262965B1 (de) 2011-12-15 2012-11-20 Schuhwerk mit obermaterial mit vorfussezugbandelementen

Applications Claiming Priority (2)

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US13/327,229 US9113674B2 (en) 2011-12-15 2011-12-15 Footwear having an upper with forefoot tensile strand elements
PCT/US2012/065993 WO2013089985A1 (en) 2011-12-15 2012-11-20 Footwear having an upper with forefoot tensile strand elements

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EP3262965B1 (de) 2020-04-22
WO2013089985A1 (en) 2013-06-20
EP3262965A1 (de) 2018-01-03
US20130152424A1 (en) 2013-06-20
CN106174842A (zh) 2016-12-07
US20170265568A1 (en) 2017-09-21
US9113674B2 (en) 2015-08-25
CN104661548A (zh) 2015-05-27
CN106174842B (zh) 2018-05-08
CN104661548B (zh) 2016-08-24
US9713363B2 (en) 2017-07-25
EP2790545A1 (de) 2014-10-22
US10912349B2 (en) 2021-02-09
US20160007686A1 (en) 2016-01-14

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